Results 11 to 20 of about 447,017 (293)

A Method for Assessing Customer Harmonic Emission Level Based on the Iterative Algorithm for Least Square Estimation

open access: yesEngineering, 2013
With the power system harmonic pollution problems becoming more and more serious, how to distinguish the harmonic responsibility accurately and solve the grid harmonics simply and effectively has become the main development direction in harmonic control subjects. This paper, based on linear regression analysis of basic equation and improvement equation,
Runrong Fan   +4 more
openaire   +3 more sources

An impedance matrix constrained‐based method for harmonic emission level estimation

open access: yesInternational Transactions on Electrical Energy Systems, 2020
Xian Zheng, Xianyong Xiao, Yang Wang
openaire   +2 more sources

A model of non-Maxwellian electron distribution function for the analysis of ECE data in JET discharges [PDF]

open access: yesEPJ Web of Conferences, 2023
Recent experiments performed in JET at high level of plasma heating, in preparation of, and during the DT campaign have shown significant discrepancies between electron temperature measurements by Thomson Scattering (TS) and Electron Cyclotron Emission ...
Giruzzi G.   +22 more
doaj   +1 more source

Assessing Time-Varying Harmonic Interactions in a Wind Park

open access: yesIEEE Access, 2021
The harmonic interaction mechanism in a wind park is examined in this paper. The paper investigates the feasibility of a solution to the yet challenging harmonic contribution estimation from multiple sources in a wind park with limited available ...
Vineetha Ravindran   +3 more
doaj   +1 more source

An approach for Assessing Harmonic Emission Level Based on Robust Partial Least Squares Regression

open access: yesTELKOMNIKA Indonesian Journal of Electrical Engineering, 2014
Xiang Li   +4 more
openaire   +2 more sources

A carbon metering method for distribution networks considering harmonic influences

open access: yesFrontiers in Energy Research, 2023
Harmonics brought about by a large number of impulsive and non-linear loads connected to the grid has led to new challenges in regional carbon emission management.
Jicheng Yu   +5 more
doaj   +1 more source

Research on Urban High Voltage Power Network Harmonic Transfer and Emission Level

open access: yesJournal of Physics: Conference Series, 2022
Abstract With the rapid growth of urban power transmission cable scale, the harmonic pollution in the high-voltage power grid is more transmitted to other power grids of different voltage levels, which makes the harmonic transmission more complicated, increases the harmonic emission level, and makes it difficult to quantitatively analyze
Shangxing Ye   +3 more
openaire   +1 more source

Study on Harmonic Impedance Estimation Based on Gaussian Mixture Regression Using Railway Power Supply Loads

open access: yesEnergies, 2022
There are a huge number of harmonics in the railway power supply system. Accurately estimating the harmonic impedance of the system is the key to evaluating the harmonic emission level of the power supply system. A harmonic impedance estimation method is
Yankun Xia, Wenzhang Tang
doaj   +1 more source

Assessment method of harmonic emission level based on pan-normal harmonic impedance cloud [PDF]

open access: yesProceedings of the 2016 International Conference on Civil, Transportation and Environment, 2016
In this paper, a method for estimating the system harmonic impedance and harmonic emission level based on the pan-normal impedance cloud is presented. First of all, based on the basic principle of fluctuation method, it can be obtained that the key to estimate the system harmonic impedance is how to identify fluctuation ratio samples closer to the true
Siyu Qiu, Dan Zhao, Guosheng Zhao
openaire   +1 more source

Control of coherent extreme-ultraviolet emission around atomic potential through laser chirp

open access: yesFrontiers in Physics, 2022
Substantial neutral atoms can tunnel to excited states in an intense laser field and subsequently generate coherent emission through free induction decay.
Chun Yang   +7 more
doaj   +1 more source

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